UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z/lSnydEiMq0eQqHPHgYN7smMpNUUPWt1TpD16yxfHU=' 
WHERE 
  key_id = '74b389e6daafd93a0b2d740714994b7ad11bd94c91bf1004a8e6fa9c2517e3a6' 
  AND (
    token = 'z/lSnydEiMq0eQqHPHgYN7smMpNUUPWt1TpD16yxfHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023