INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a39bf459ba42d35254f3a91eaba0c7e3d0f1d24f974e3436ce0607e68468cd6e', 
    'Qsde3Nbf4TKKE+B3xtLZRSDWgw6G8c4kq8wbr+dQ0ik=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00059

Result

int(1)