UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'ea15xxNpCFJqIRjT078APiHiPiaG+MyKuEM1rs7lRpU=' 
WHERE 
  key_id = '8943165f272c1a0b00e062a46dd6f8d1e3e3085b877094e869d902fef62c91b5' 
  AND (
    token = 'ea15xxNpCFJqIRjT078APiHiPiaG+MyKuEM1rs7lRpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )