UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e/wmo0bOW6nGnkHkWKowwmMBFAI5ZdYzB3kgSDELCVo=' 
WHERE 
  key_id = '6bb5271dba1312d57e613114bb07f7b1036b55fea1a7c56e58464c2cf1b3d987' 
  AND (
    token = 'e/wmo0bOW6nGnkHkWKowwmMBFAI5ZdYzB3kgSDELCVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )