UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Q2n6YsnNZiMkqPje9f383P8I/OoENqjpZCaegQ6bn1g=' 
WHERE 
  key_id = '0455a63cc01630a28936862271c5eeb9b5fd70d28eafd890c5a22717292be2b0' 
  AND (
    token = 'Q2n6YsnNZiMkqPje9f383P8I/OoENqjpZCaegQ6bn1g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )