UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zMRPa74XU/WIwcCwNPSfpkOmrisLRXKoF++yJJnBsSY=' 
WHERE 
  key_id = '976115ef2d014430e6fbfa90a7da75f14044dca15bc597ed6bb051bf6d2177c1' 
  AND (
    token = 'zMRPa74XU/WIwcCwNPSfpkOmrisLRXKoF++yJJnBsSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )