UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e/Y989mhnNo74dt/riWR84QCaXPCrjV691Sa9X+AV68=' 
WHERE 
  key_id = '4b8a8e43e1eba75b07ff3b1183423050d9bb404cf197ee76399373db33801e4a' 
  AND (
    token = 'e/Y989mhnNo74dt/riWR84QCaXPCrjV691Sa9X+AV68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )