UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PBqZyb5l583nUHylSLwosPhFTsLKDIO2WQun3XPAKUo=' 
WHERE 
  key_id = '6ee986ab43aa77886f3712a54572fad148c81a2036c9187a9eb61cba6358bb3a' 
  AND (
    token = 'PBqZyb5l583nUHylSLwosPhFTsLKDIO2WQun3XPAKUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )