UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'T2jXoFMIRWAAq1neyfQXV0VRMMYQHQwjWbk8zDzrkxk=' 
WHERE 
  key_id = '8ad6025fce05f6f009938070747e6349e8e89b1a2b000a5cfbf0fe2f81afad56' 
  AND (
    token = 'T2jXoFMIRWAAq1neyfQXV0VRMMYQHQwjWbk8zDzrkxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )