UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nvwgxyiC/DQbomicYC2ly81CmmGLWWYnh+5d9y692bA=' 
WHERE 
  key_id = '50c01bbb7936b19c1b0129386ad095c2e7454da107b0ccbee3c299122e423899' 
  AND (
    token = 'nvwgxyiC/DQbomicYC2ly81CmmGLWWYnh+5d9y692bA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )