INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cb54fbc8973ed6e9b86086f2cf227be61624f1e68c2897a7fa806224348292', 
    'rzazttODWdHzps3L6uFbn5SzwXD2rXkTICRNqT1x2i4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)