UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4YluCwTstrIXanTGuDgmPqqymn/TJXRq8oRcswSqvU=' 
WHERE 
  key_id = '9bcdd41bfc206f9ee1fa2adf8d676f5840fe1a7a56869a42e787b75d04de9188' 
  AND (
    token = 'n4YluCwTstrIXanTGuDgmPqqymn/TJXRq8oRcswSqvU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )