UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pdp3z4t9h3Wsw1+LC01AwYSopZE6DyaHNunILUNIAlM=' 
WHERE 
  key_id = 'a51cada45dc1c41b3f202400cde45f250170afe7511b057c3b0e705c55a947c2' 
  AND (
    token = 'Pdp3z4t9h3Wsw1+LC01AwYSopZE6DyaHNunILUNIAlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )