UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GjzRMmcRLSEiZkCDGOkRcLsVnTfcapnq9waDcWDJT3U=' 
WHERE 
  key_id = '51d3e0dc9e12eb0c70852b735f66d94d2b2f8d1cd43c53f26c159f4286de3ae1' 
  AND (
    token = 'GjzRMmcRLSEiZkCDGOkRcLsVnTfcapnq9waDcWDJT3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )