UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BPdmHP7GwnHGYTNsyG9bgeZLI6Eq3UdWaZn8aA2oB14=' 
WHERE 
  key_id = '6b4d872643e06966968a6fc60dc4fc22a402021b808611fb0a897125f743a502' 
  AND (
    token = 'BPdmHP7GwnHGYTNsyG9bgeZLI6Eq3UdWaZn8aA2oB14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )