UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pa6FMx1zt89nG2r67U+P+9snNW8mEE+OPcS9X0v3uKA=' 
WHERE 
  key_id = '556dabf4963f6af90cc0f242220c5f9e490ece3810bc54c45b38dc4a061103f7' 
  AND (
    token = 'Pa6FMx1zt89nG2r67U+P+9snNW8mEE+OPcS9X0v3uKA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )