UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LVH8VPNsxjqalyogszPFdMHKiovIk88vx6Q0G/Kko0I=' 
WHERE 
  key_id = 'c956e7fcebd9b1f947947af141f6b7b93570c1f565b7fe9923f8135cff51ae52' 
  AND (
    token = 'LVH8VPNsxjqalyogszPFdMHKiovIk88vx6Q0G/Kko0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025