UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ByuR3gq4n2ShSWrtAmSNaB2yDQGF9uHATl9C75K3+TA=' 
WHERE 
  key_id = '97646c19ce89b417960b44bf9be2e86abc397753508cca377d5e2a6818909220' 
  AND (
    token = 'ByuR3gq4n2ShSWrtAmSNaB2yDQGF9uHATl9C75K3+TA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )