UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p37KMBF5gAF29+Jqr6WgaCrkULEawai1jX804reUJNA=' 
WHERE 
  key_id = '1589c76652fa0668c17f5b3fa5488effb4baa96eea911cb3e276f9afade02f51' 
  AND (
    token = 'p37KMBF5gAF29+Jqr6WgaCrkULEawai1jX804reUJNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )