UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fRRxDq0yRUSNS/dmcyek9cvt5nJ8KTOSYtpzgMcRsEk=' 
WHERE 
  key_id = '7937cd37bee905d8c83f888e6c1895529ca2ec69788667814dffafbb5497a0f8' 
  AND (
    token = 'fRRxDq0yRUSNS/dmcyek9cvt5nJ8KTOSYtpzgMcRsEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )