UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S5cGsnjhXSpb95On0dpk1tyU8vPyPs77IPPhB/TTzJs=' 
WHERE 
  key_id = 'd254026c82e24b7d3c73964abab54f1eb2cfa10744d861baf9e8b17bee8b1ae4' 
  AND (
    token = 'S5cGsnjhXSpb95On0dpk1tyU8vPyPs77IPPhB/TTzJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026