UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8bw9aj2wkPNUkYUWZsnBbbji9qFtZx4sNHO8fjEcVI=' 
WHERE 
  key_id = 'b54b7f949afe4793798fd5be88e4f70c9944dbc68b26bdcf3ccddf1e00fd5d21' 
  AND (
    token = 'k8bw9aj2wkPNUkYUWZsnBbbji9qFtZx4sNHO8fjEcVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )